PT - JOURNAL ARTICLE AU - Simpson, J. A. TI - Book Reviews AID - 10.1136/jnnp.32.6.640-a DP - 1969 Dec 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 640--641 VI - 32 IP - 6 4099 - http://jnnp.bmj.com/content/32/6/640.2.short 4100 - http://jnnp.bmj.com/content/32/6/640.2.full SO - J Neurol Neurosurg Psychiatry1969 Dec 01; 32